*** Primary Characterization Data ***

Pedon ID: S02TX-317-002

( Martin, Texas )

Print Date: Dec 7 2025 4:34AM

Sampled as :	Amarillo ; Fine-loamy, mixed, superactive, thermic Aridic Paleustalf
Revised to :

				United States Department of Agriculture
SSL	-	Project	C2002USTX155   MARTIN CO.	Natural Resources Conservation Service
	-	Site ID	S02TX-317-002	National Soil Survey Center
	-	Pedon No.	02N0281	Kellogg Soil Survey Laboratory
	-	General Methods 1B1A, 2A1, 2B		Lincoln, Nebraska 68508-3866

---

Layer	Horizon	Orig Hzn	Depth (cm)	Field Label 1	Field Label 2	Field Label 3	Field Texture	Lab Texture
02N01388	Ap	Ap	0-40	S02TX-317-002-1			FSL	FSL
02N01389	Bt	Bt	40-72	S02TX-317-002-2			SCL	SCL
02N01390	Bk	Bk	72-170	S02TX-317-002-3			CL	CL
02N01391	Bkb1	Bkb1	170-235	S02TX-317-002-4			CL	SCL
02N01392	Bkb1	Bkb1	235-297	S02TX-317-002-5			CL	CL
02N01393	B'kb	B'kb	297-330	S02TX-317-002-6			CL	L
02N01394	B'kb2	B'kb2	330-355	S02TX-317-002-7			SCL	L
02N01395	Bkb3	Bkb3	355-417	S02TX-317-002-8			SCL	FSL
02N01396	Bkb4	Bkb4	417-456	S02TX-317-002-9			SCL	FSL
02N01397	Bkb5	Bkb5	456-507	S02TX-317-002-10			SCL	SL
02N01398	Bkb6	Bkb6	507-560	S02TX-317-002-11			CL	L
02N01399	Bkb7	Bkb7	560-590	S02TX-317-002-12			CL	FSL
02N01400	Bkb8	Bkb8	590-658	S02TX-317-002-13			SCL	L
02N01401	Bkb	Bkb	658-728	S02TX-317-002-14			SCL	L
02N01402	Btkb1	Btkb1	728-786	S02TX-317-002-15			SCL	FSL
02N01403	Btkb2	Btkb2	786-856	S02TX-317-002-16			SCL	FSL
02N01404	Btkb3	Btkb3	856-911	S02TX-317-002-17			SCL	FSL
02N01405	Btb	Btb	911-1011	S02TX-317-002-18			SCL	FSL
02N01406	B''kb	B''kb	1011-1096	S02TX-317-002-19			SCL	FSL
02N01407	2Btkb1	2Btkb1	1096-1162	S02TX-317-002-20			SCL	L
02N01408	2Btkb2	2Btkb2	1162-1248	S02TX-317-002-21			SCL	L
02N01409	2Btb1	2Btb1	1248-1314	S02TX-317-002-22			SCL	FSL
02N01410	2Btb2	2Btb2	1314-1354	S02TX-317-002-23			C	FSL
02N01411	2Btb3	2Btb3	1354-1450	S02TX-317-002-24			SCL	FSL
02N01412	3Btb	3Btb	1450-1476	S02TX-317-002-25			GR-SCL	COSL
02N01413	3Btkb1	3Btkb1	1476-1503	S02TX-317-002-26			GR-SCL	L
02N01414	3Btkb2	3Btkb2	1503-1560	S02TX-317-002-27			CL	L
02N01415	3Btbb3	3Btbb3	1560-1600	S02TX-317-002-28			CL	SIL
02N01416	4Bssb	4Bssb	1600-1643	S02TX-317-002-29			C	C
02N01417	4Bkssb	4Bkssb	1643-1690	S02TX-317-002-30			C	C
02N01418	4Cr1	4Cr1	1690-1770	S02TX-317-002-31			C	SIC
02N01419	4Cr2	4Cr2	1770-1840	S02TX-317-002-32			C	SIC

---

---

PSDA  &  Rock Fragments				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-	-13-	-14-	-15-	-16-	-17-	-18-
					(- - - - - Total - - - - - -)			(- - Clay - - -)		(- - - - Silt - - - - -)		(- - - - - - - - - - - - Sand - - - - - - - - - - - -)					( Rock Fragments   (mm) )
				Lab	Clay	Silt	Sand	Fine	CO3	Fine	Coarse	VF	F	M	C	VC	(- - - - - - - - Weight - - - - - - - -)				>2 mm
				Text-	<	.002	.05	<	<	.002	.02	.05	.10	.25	.5	1	2	5	20	.1-	wt %
	Depth			ure	.002	-.05	-2	.0002	.002	-.02	-.05	-.10	-.25	-.50	-1	-2	-5	-20	-75	75	whole
Layer	(cm)	Horz	Prep		(- - - - - - - - - - - - - - - - - - - - - - - - - - % of <2mm Mineral Soil - - - - - - - - - - - - - - - - - - - - - - - - - - -)												(- - - - - - - % of <75mm - - - - - -)				soil
					3A1a1a			3A1a1a	3A1a1a	3A1a1a		3A1a1a	3A1a1a	3A1a1a	3A1a1a	3A1a1a
02N01388	0-40	Ap	S	fsl	17.6	13.0	69.4	9.9	2.1	4.1	8.9	19.1	34.1	14.5	1.5	0.2	--	--	--	50	--
02N01389	40-72	Bt	S	scl	22.4	14.0	63.6	12.1	1.8	6.2	7.8	18.1	30.5	12.2	2.1	0.7	--	--	--	46	--
02N01390	72-170	Bk	S	cl	28.3	28.2	43.5	11.2	2.4	20.4	7.8	11.6	20.7	9.7	0.8	0.7	--	--	--	32	--
02N01391	170-235	Bkb1	S	scl	27.3	24.0	48.7	11.7	2.6	16.0	8.0	13.8	20.9	11.4	1.7	0.9	--	--	--	35	--
02N01392	235-297	Bkb1	S	cl	27.8	34.8	37.4	10.4	3.4	28.6	6.2	11.1	18.0	7.4	0.6	0.3	--	--	--	26	--
02N01393	297-330	B'kb	S	l	24.0	29.1	46.9	10.2	2.4	21.9	7.2	14.4	22.1	8.8	1.1	0.5	--	--	--	33	--
02N01394	330-355	B'kb2	S	l	20.7	32.8	46.5	7.7	2.6	23.7	9.1	14.1	21.4	9.3	1.1	0.6	--	--	--	32	--
02N01395	355-417	Bkb3	S	fsl	16.9	29.2	53.9	6.0	3.4	20.3	8.9	16.7	22.1	11.8	1.7	1.6	--	--	--	37	--
02N01396	417-456	Bkb4	S	fsl	15.0	28.0	57.0	5.8	4.0	19.2	8.8	16.1	25.1	12.2	2.1	1.5	--	--	--	41	--
02N01397	456-507	Bkb5	S	sl	17.0	30.0	53.0	6.0	2.9	21.7	8.3	15.3	23.5	11.3	2.0	0.9	--	--	--	38	--
02N01398	507-560	Bkb6	S	l	14.9	34.0	51.1	5.0	4.6	26.1	7.9	13.3	20.9	10.7	3.7	2.5	--	--	--	38	--
02N01399	560-590	Bkb7	S	fsl	13.6	31.4	55.0	6.2	4.8	24.1	7.3	15.4	22.3	13.4	3.6	0.3	--	--	--	40	--
02N01400	590-658	Bkb8	S	l	16.8	33.1	50.1	6.6	2.4	25.7	7.4	13.1	22.6	11.5	2.6	0.3	--	--	--	37	--
02N01401	658-728	Bkb	S	l	16.7	35.8	47.5	8.5	1.5	29.2	6.6	13.1	22.1	10.2	1.9	0.2	--	--	--	34	--
02N01402	728-786	Btkb1	S	fsl	14.3	31.4	54.3	8.6	1.8	23.3	8.1	14.1	26.9	11.7	1.4	0.2	--	--	--	40	--
02N01403	786-856	Btkb2	S	fsl	14.0	28.4	57.6	8.4	1.5	20.1	8.3	16.1	27.5	12.9	0.9	0.2	--	--	--	42	--
02N01404	856-911	Btkb3	S	fsl	15.8	29.0	55.2	9.0	2.1	21.1	7.9	15.0	29.3	10.1	0.7	0.1	--	--	--	40	--
02N01405	911-1011	Btb	S	fsl	14.7	24.4	60.9	10.3	1.3	15.3	9.1	17.3	32.4	10.4	0.8	tr	--	--	--	44	--
02N01406	1011-1096	B''kb	S	fsl	17.9	27.0	55.1	12.0	1.5	18.9	8.1	12.5	28.8	13.0	0.8	tr	--	--	--	43	--
02N01407	1096-1162	2Btkb1	S	l	20.5	38.8	40.7	12.4	1.0	31.9	6.9	10.7	15.9	10.5	2.2	1.4	--	--	--	30	--
02N01408	1162-1248	2Btkb2	S	l	17.2	31.9	50.9	10.0	4.5	23.6	8.3	10.8	20.2	12.7	4.1	3.1	--	1	--	41	1
02N01409	1248-1314	2Btb1	S	fsl	13.8	31.3	54.9	8.5	3.4	24.7	6.6	10.2	26.0	13.5	3.0	2.2	--	2	1	46	3
02N01410	1314-1354	2Btb2	S	fsl	13.7	23.8	62.5	8.6	2.4	17.1	6.7	10.7	27.8	19.1	2.7	2.2	--	1	--	52	1
02N01411	1354-1450	2Btb3	S	fsl	11.8	15.7	72.5	7.6	1.8	12.7	3.0	9.3	32.5	20.4	7.8	2.5	3	4	3	67	10
02N01412	1450-1476	3Btb	S	cosl	9.5	12.2	78.3	5.8	1.0	8.5	3.7	6.3	22.5	23.9	9.3	16.3	24	31	5	89	60
02N01413	1476-1503	3Btkb1	S	l	15.1	46.7	38.2	7.6	3.2	40.1	6.6	4.9	10.1	8.0	9.4	5.8	4	6	11	47	21
02N01414	1503-1560	3Btkb2	S	l	16.1	48.2	35.7	8.9	1.5	38.4	9.8	5.2	9.3	8.2	5.4	7.6	7	28	27	74	62
02N01415	1560-1600	3Btbb3	S	sil	13.8	57.9	28.3	6.7	1.3	34.6	23.3	4.0	8.1	7.0	4.7	4.5	5	33	14	64	52
02N01416	1600-1643	4Bssb	S	c	55.6	36.1	8.3	15.5	0.8	32.3	3.8	2.3	3.2	1.8	0.5	0.5	--	--	--	6	--
02N01417	1643-1690	4Bkssb	S	c	42.8	39.8	17.4	13.4	0.7	33.8	6.0	4.7	6.0	3.5	1.9	1.3	--	tr	--	13	tr
02N01418	1690-1770	4Cr1	S	sic	47.2	49.2	3.6	11.6		44.6	4.6	1.8	1.2	0.6	tr	--	--	--	--	2	--
02N01419	1770-1840	4Cr2	S	sic	54.0	43.9	2.1	4.1	0.8	39.6	4.3	1.3	0.6	0.2	tr	--	--	--	--	1	--

*** Primary Characterization Data ***

Pedon ID: S02TX-317-002

( Martin, Texas )

Print Date: Dec 7 2025 4:34AM

Sampled As	:	Amarillo		Fine-loamy, mixed, superactive, thermic Aridic Paleustalf
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  02N0281

---

Bulk Density  &  Moisture				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-	-13-	-14-
				(Bulk Density)		Cole	(- - - - - - - - - - - Water Content - - - - - - - - - - -)					( Air Dry-Oven Dry )		WRD	Aggst
				33	Oven	Whole	6	10	33	1500	1500 kPa	(- - - - Ratio - - - -)		Whole	Stabl	(- - Ratio/Clay - -)
	Depth			kPa	Dry	Soil	kPa	kPa	kPa	kPa	Moist		Corrected	Soil	2-0.5mm	CEC7	1500 kPa
Layer	(cm)	Horz	Prep	(- - - g cm-3 - - -)			(- - - - - - - - - - - - pct of < 2mm - - - - - - - - - - - -)							cm3 cm-3	%
										3C2a1a		3D1
02N01388	0-40	Ap	S							6.9		1.019				0.45	0.39
02N01389	40-72	Bt	S							9.5		1.025				0.48	0.42
02N01390	72-170	Bk	S							9.3		1.021				0.28	0.33
02N01391	170-235	Bkb1	S							9.6		1.025				0.33	0.35
02N01392	235-297	Bkb1	S							9.2		1.021				0.29	0.33
02N01393	297-330	B'kb	S							9.4		1.022				0.33	0.39
02N01394	330-355	B'kb2	S							9.3		1.020				0.35	0.45
02N01395	355-417	Bkb3	S							8.0		1.020				0.40	0.47
02N01396	417-456	Bkb4	S							8.6		1.021				0.42	0.57
02N01397	456-507	Bkb5	S							9.3		1.022				0.41	0.55
02N01398	507-560	Bkb6	S							9.8		1.023				0.52	0.66
02N01399	560-590	Bkb7	S							12.0		1.025				0.54	0.88
02N01400	590-658	Bkb8	S							13.6		1.030				0.57	0.81
02N01401	658-728	Bkb	S							17.0		1.030				0.52	1.02
02N01402	728-786	Btkb1	S							14.9		1.025				0.44	1.04
02N01403	786-856	Btkb2	S							12.5		1.019				0.36	0.89
02N01404	856-911	Btkb3	S							11.2		1.017				0.30	0.71
02N01405	911-1011	Btb	S							12.4		1.021				0.38	0.84
02N01406	1011-1096	B''kb	S							16.2		1.024				0.28	0.91
02N01407	1096-1162	2Btkb1	S							14.4		1.026				0.36	0.70
02N01408	1162-1248	2Btkb2	S							12.1		1.022				0.33	0.70
02N01409	1248-1314	2Btb1	S							9.2		1.016				0.33	0.67
02N01410	1314-1354	2Btb2	S							10.0		1.018				0.33	0.73
02N01411	1354-1450	2Btb3	S							9.5		1.016				0.36	0.81
02N01412	1450-1476	3Btb	S							5.9		1.011				0.43	0.62
02N01413	1476-1503	3Btkb1	S							8.9		1.013				0.30	0.59
02N01414	1503-1560	3Btkb2	S							9.9		1.018				0.41	0.61
02N01415	1560-1600	3Btbb3	S							7.3		1.016				0.53	0.53
02N01416	1600-1643	4Bssb	S							24.5		1.061				0.79	0.44
02N01417	1643-1690	4Bkssb	S							19.2		1.046				0.74	0.45
02N01418	1690-1770	4Cr1	S							22.9		1.065				1.03	0.49
02N01419	1770-1840	4Cr2	S							24.2		1.063				0.88	0.45

*** Primary Characterization Data ***

Pedon ID: S02TX-317-002

( Martin, Texas )

Print Date: Dec 7 2025 4:34AM

Sampled As	:	Amarillo		Fine-loamy, mixed, superactive, thermic Aridic Paleustalf
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  02N0281

---

Water Content

-1-

-2-

-3-

-4-

-5-

-6-

-7-

-8-

-9-

-10-

-11-

-12-

-13-

(- - Atterberg - -)

(- - - - - Bulk Density - - - - -)

(- - - - - - - - - - - - - - - - - - - - - - - Water Content - - - - - - - - - - - - - - - - - - - - -)

(- - - Limits - - -)

Field

Recon

Recon

Field

Recon

(- - - - - - - - - - - - - - Sieved Samples - - - - - - - - - - - - -)

LL

PI

33

Oven

33

6

10

33

100

200

500

Depth

kPa

Dry

kPa

kPa

kPa

kPa

kPa

kPa

kPa

Layer

(cm)

Horz

Prep

pct <0.4mm

(- - - - - - - - g cm-3 - - - - - - -)

(- - - - - - - - - - - - - - - - - - - - - - - % of < 2mm - - - - - - - - - - - - - - - - - - - - - -)

3C1c1a

02N01388

0-40

Ap

S

18.7

02N01389

40-72

Bt

S

20.4

02N01390

72-170

Bk

S

24.1

02N01391

170-235

Bkb1

S

23.3

02N01392

235-297

Bkb1

S

26.4

02N01393

297-330

B'kb

S

25.3

02N01394

330-355

B'kb2

S

24.0

02N01395

355-417

Bkb3

S

20.3

02N01396

417-456

Bkb4

S

26.3

02N01397

456-507

Bkb5

S

24.1

02N01398

507-560

Bkb6

S

26.0

02N01399

560-590

Bkb7

S

33.1

02N01400

590-658

Bkb8

S

35.5

02N01401

658-728

Bkb

S

38.6

02N01402

728-786

Btkb1

S

38.3

02N01403

786-856

Btkb2

S

34.3

02N01404

856-911

Btkb3

S

33.9

02N01405

911-1011

Btb

S

34.2

02N01406

1011-1096

B''kb

S

41.1

02N01407

1096-1162

2Btkb1

S

34.8

02N01408

1162-1248

2Btkb2

S

27.1

02N01409

1248-1314

2Btb1

S

22.7

02N01410

1314-1354

2Btb2

S

24.0

02N01411

1354-1450

2Btb3

S

22.7

02N01412

1450-1476

3Btb

S

12.9

02N01413

1476-1503

3Btkb1

S

29.4

02N01414

1503-1560

3Btkb2

S

24.4

02N01415

1560-1600

3Btbb3

S

22.3

02N01416

1600-1643

4Bssb

S

49.1

02N01417

1643-1690

4Bkssb

S

42.5

02N01418

1690-1770

4Cr1

S

42.9

02N01419

1770-1840

4Cr2

S

52.8

*** Primary Characterization Data ***

Pedon ID: S02TX-317-002

( Martin, Texas )

Print Date: Dec 7 2025 4:34AM

Sampled As	:	Amarillo		Fine-loamy, mixed, superactive, thermic Aridic Paleustalf
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  02N0281

---

Carbon  &  Extractions				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-	-13-	-14-	-15-	-16-	-17-	-18-	-19-
				(- - - - - Total - - - - -)			Est	OC	C/N	(- - - Dith-Cit Ext - - -)			(- - - - - - Ammonium Oxalate Extraction - - - - - -)						(- - - Na Pyro-Phosphate - - -)
	Depth			C	N	S	OC	(WB)	Ratio	Fe	Al	Mn	Al+½Fe	ODOE	Fe	Al	Si	Mn	C	Fe	Al	Mn
Layer	(cm)	Horz	Prep	(- - - - - - - - - - % of <2 mm - - - - - - - - - -)						(- - - - - - - - - - - - - - - - - - - % of < 2mm - - - - - - - - - - - - - - - - -)								mg kg-1	(- - - - - - % of < 2mm - - - - -)
				4H2a	4H2a	4H2a				4G1	4G1	4G1
02N01388	0-40	Ap	S	0.58	0.03	0.02	0.3		9	0.4	0.1	--
02N01389	40-72	Bt	S	1.13	0.03	0.02	0.2		7	0.4	0.1	--
02N01390	72-170	Bk	S	4.03	tr	0.03	--		3	0.1	tr	--
02N01391	170-235	Bkb1	S	3.40	tr	0.03	--			0.1	tr	--
02N01392	235-297	Bkb1	S	5.43	--	0.02	1.0			tr	tr	--
02N01393	297-330	B'kb	S	3.93	0.01	0.02	0.1		7	0.1	tr	--
02N01394	330-355	B'kb2	S	4.16	tr	0.03	0.1		27	tr	tr	--
02N01395	355-417	Bkb3	S	3.46	0.01	0.02	tr		4	tr	tr	--
02N01396	417-456	Bkb4	S	3.36	--	0.02	0.1			--	tr	--
02N01397	456-507	Bkb5	S	3.47	0.01	0.03	tr		1	--	tr	--
02N01398	507-560	Bkb6	S	4.60	0.02	0.01	1.7		104	--	tr	--
02N01399	560-590	Bkb7	S	4.12	0.02	0.02	tr		2	--	tr	--
02N01400	590-658	Bkb8	S	3.93	0.01	0.02	0.1		9	--	tr	--
02N01401	658-728	Bkb	S	4.56	0.03	0.05	--			--	tr	--
02N01402	728-786	Btkb1	S	3.49	0.01	0.03	--			tr	tr	--
02N01403	786-856	Btkb2	S	3.11	0.01	0.02	--			0.1	tr	--
02N01404	856-911	Btkb3	S	3.10	0.02	0.02	tr		1	0.1	tr	--
02N01405	911-1011	Btb	S	1.90	0.04	0.02	--			0.1	tr	--
02N01406	1011-1096	B''kb	S	2.45	0.02	0.03	--			0.1	tr	--
02N01407	1096-1162	2Btkb1	S	5.02	0.02	0.03	--			0.2	tr	--
02N01408	1162-1248	2Btkb2	S	4.05	--	0.02	--			0.2	tr	--
02N01409	1248-1314	2Btb1	S	4.05	--	0.02	--			0.2	tr	--
02N01410	1314-1354	2Btb2	S	2.87	0.02	0.02	--			0.2	tr	--
02N01411	1354-1450	2Btb3	S	2.52	0.01	0.02	--			0.2	tr	--
02N01412	1450-1476	3Btb	S	3.87	0.01	0.04	--			0.4	tr	tr
02N01413	1476-1503	3Btkb1	S	8.00	--	0.05	--			0.2	tr	--
02N01414	1503-1560	3Btkb2	S	7.87	--	0.05	--			0.2	tr	--
02N01415	1560-1600	3Btbb3	S	8.73	--	0.05	--			0.2	tr	--
02N01416	1600-1643	4Bssb	S	0.39	0.03	0.03	--			2.0	0.1	--
02N01417	1643-1690	4Bkssb	S	2.57	tr	0.04	--			1.6	tr	tr
02N01418	1690-1770	4Cr1	S	0.09	0.02	0.03	--			2.2	tr	tr
02N01419	1770-1840	4Cr2	S	0.03	0.03	0.01	--			2.7	0.1	tr

*** Primary Characterization Data ***

Pedon ID: S02TX-317-002

( Martin, Texas )

Print Date: Dec 7 2025 4:34AM

Sampled As	:	Amarillo		Fine-loamy, mixed, superactive, thermic Aridic Paleustalf
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  02N0281

---

CEC  &  Bases				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-	-13-	-14-
				(- - - - - - NH4OAC Extractable Bases - - - - -)								CEC8	CEC7	ECEC		(- - - - Base - - - -)
								Sum	Acid-	Extr	KCl	Sum	NH4	Bases	Al	(- Saturation -)
	Depth			Ca	Mg	Na	K	Bases	ity	Al	Mn	Cats	OAC	+Al	Sat	Sum	NH4OAC
Layer	(cm)	Horz	Prep	(- - - - - - - - - - - - - - - - - cmol(+) kg-1 - - - - - - - - - - - - - - - - - - -)							mg kg-1	(- - - - cmol(+) kg-1 - - -)			(- - - - - - - - % - - - - - - - -)
				4B1a1a	4B1a1a	4B1a1a	4B1a1a		4B2a1a1				4B1a1a
02N01388	0-40	Ap	S	38.4*	1.2	0.1	0.7	40.4					8.0				100
02N01389	40-72	Bt	S	46.6*	1.1	--	0.4	48.1					10.8				100
02N01390	72-170	Bk	S	43.3*	2.7	--	0.3	46.3					7.8				100
02N01391	170-235	Bkb1	S	44.2*	4.0	0.2	0.3	48.7					9.1				100
02N01392	235-297	Bkb1	S	43.1*	4.1	0.4	0.3	47.9					8.1				100
02N01393	297-330	B'kb	S	41.3*	4.1	0.6	0.4	46.4					8.0				100
02N01394	330-355	B'kb2	S	42.2*	4.0	0.7	0.4	47.3					7.2				100
02N01395	355-417	Bkb3	S	41.1*	4.0	1.0	0.4	46.5					6.8				100
02N01396	417-456	Bkb4	S	41.9*	3.8	1.0	0.5	47.2					6.3				100
02N01397	456-507	Bkb5	S	42.1*	4.4	1.3	0.5	48.3					6.9				100
02N01398	507-560	Bkb6	S	41.3*	4.7	1.6	0.4	48.0					7.7				100
02N01399	560-590	Bkb7	S	40.8*	5.5	1.9	0.5	48.7					7.4				100
02N01400	590-658	Bkb8	S	43.0*	6.9	2.1	0.5	52.5					9.5				100
02N01401	658-728	Bkb	S	40.2*	6.5	2.4	0.5	49.6					8.7				100
02N01402	728-786	Btkb1	S	42.1*	5.7	2.1	0.5	50.4					6.3				100
02N01403	786-856	Btkb2	S	41.5*	4.9	1.9	0.5	48.8					5.0				100
02N01404	856-911	Btkb3	S	42.5*	4.6	1.7	0.4	49.2					4.7				100
02N01405	911-1011	Btb	S	41.2*	4.9	2.0	0.4	48.5					5.6				100
02N01406	1011-1096	B''kb	S	41.5*	6.1	2.5	0.6	50.7					5.0				100
02N01407	1096-1162	2Btkb1	S	42.5*	4.8	2.2	0.5	50.0					7.4				100
02N01408	1162-1248	2Btkb2	S	40.5*	4.0	2.1	0.4	47.0					5.7				100
02N01409	1248-1314	2Btb1	S	39.9*	3.1	2.0	0.3	45.3					4.6				100
02N01410	1314-1354	2Btb2	S	39.9*	3.1	1.9	0.4	45.3					4.5				100
02N01411	1354-1450	2Btb3	S	40.1*	3.1	2.1	0.3	45.6					4.3				100
02N01412	1450-1476	3Btb	S	39.5*	2.8	2.3	0.4	45.0					4.1				100
02N01413	1476-1503	3Btkb1	S	41.8*	3.2	1.5	0.3	46.8					4.6				100
02N01414	1503-1560	3Btkb2	S	41.2*	3.9	2.1	0.3	47.5					6.6				100
02N01415	1560-1600	3Btbb3	S	40.8*	4.0	2.0	0.4	47.2					7.3				100
02N01416	1600-1643	4Bssb	S	42.6*	21.3	8.3	1.5	73.7					44.1				100
02N01417	1643-1690	4Bkssb	S	47.1*	14.1	5.9	1.2	68.3					31.6				100
02N01418	1690-1770	4Cr1	S	24.9*	22.5	8.9	1.6	57.9	--				48.8				100
02N01419	1770-1840	4Cr2	S	16.3	19.0	8.0	1.8	45.1	--				47.4				95

^*Extractable Ca may contain Ca from calcium carbonate or gypsum., CEC7 base saturation set to 100.

*** Primary Characterization Data ***

Pedon ID: S02TX-317-002

( Martin, Texas )

Print Date: Dec 7 2025 4:34AM

Sampled As	:	Amarillo		Fine-loamy, mixed, superactive, thermic Aridic Paleustalf
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  02N0281

---

Salt

-1-

-2-

-3-

-4-

-5-

-6-

-7-

-8-

-9-

-10-

-11-

-12-

-13-

-14-

-15-

-16-

-17-

-18-

-19-

-20-

(- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Water Extracted From Saturated Paste - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -)

1:2

Total

Elec

Elec

Exch

Depth

Ca

Mg

Na

K

CO3

HCO3

F

Cl

PO4

Br

OAC

SO4

NO2

NO3

H2O

Salts

Cond

Cond

Na

SAR

Layer

(cm)

Horz

Prep

(- - - - - mmol(+) L-1 - - - - -)

(- - - - - - - - - - - - - - - - - - - - - - mmol(-) L-1 - - - - - - - - - - - - - - - - - - - -)

(- - - - % - - - -)

(- - dS m-1 - -)

%

02N01388

0-40

Ap

S

1

02N01389

40-72

Bt

S

--

02N01390

72-170

Bk

S

--

02N01391

170-235

Bkb1

S

2

02N01392

235-297

Bkb1

S

5

02N01393

297-330

B'kb

S

7

02N01394

330-355

B'kb2

S

9

02N01395

355-417

Bkb3

S

14

02N01396

417-456

Bkb4

S

17

02N01397

456-507

Bkb5

S

19

02N01398

507-560

Bkb6

S

21

02N01399

560-590

Bkb7

S

25

02N01400

590-658

Bkb8

S

23

02N01401

658-728

Bkb

S

28

02N01402

728-786

Btkb1

S

33

02N01403

786-856

Btkb2

S

38

02N01404

856-911

Btkb3

S

36

02N01405

911-1011

Btb

S

36

02N01406

1011-1096

B''kb

S

51

02N01407

1096-1162

2Btkb1

S

30

02N01408

1162-1248

2Btkb2

S

37

02N01409

1248-1314

2Btb1

S

44

02N01410

1314-1354

2Btb2

S

41

02N01411

1354-1450

2Btb3

S

49

02N01412

1450-1476

3Btb

S

57

02N01413

1476-1503

3Btkb1

S

32

02N01414

1503-1560

3Btkb2

S

31

02N01415

1560-1600

3Btbb3

S

28

02N01416

1600-1643

4Bssb

S

19

02N01417

1643-1690

4Bkssb

S

19

02N01418

1690-1770

4Cr1

S

18

02N01419

1770-1840

4Cr2

S

17

*** Primary Characterization Data ***

Pedon ID: S02TX-317-002

( Martin, Texas )

Print Date: Dec 7 2025 4:34AM

Sampled As	:	Amarillo		Fine-loamy, mixed, superactive, thermic Aridic Paleustalf
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  02N0281

---

pH  &  Carbonates				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-
				(- - - - - - - - - - - - - - - - - - pH - - - - - - - - - - - - - - - - -)						(- - Carbonate - -)		(- - Gypsum - - -)
					CaCl2					As CaCO3		As CaSO4*2H2O		Resist
	Depth				0.01M	H2O	Sat			<2mm	<20mm	<2mm	<20mm	ohms
Layer	(cm)	Horz	Prep	KCl	1:2	1:1	Paste	Oxid	NaF	(- - - - - - - - - - - - % - - - - - - - - - - -)				cm-1
					4C1a2a	4C1a2a				4E1a1a1a1
02N01388	0-40	Ap	S		7.9	8.2				3
02N01389	40-72	Bt	S		7.8	8.1				8
02N01390	72-170	Bk	S		7.9	8.4				34
02N01391	170-235	Bkb1	S		8.0	8.5				29
02N01392	235-297	Bkb1	S		8.0	8.6				37
02N01393	297-330	B'kb	S		8.0	8.6				32
02N01394	330-355	B'kb2	S		8.0	8.7				34
02N01395	355-417	Bkb3	S		8.1	8.8				29
02N01396	417-456	Bkb4	S		8.1	8.8				28
02N01397	456-507	Bkb5	S		8.1	8.8				29
02N01398	507-560	Bkb6	S		8.1	8.7				24
02N01399	560-590	Bkb7	S		8.2	8.8				34
02N01400	590-658	Bkb8	S		8.2	8.7				32
02N01401	658-728	Bkb	S		8.3	8.6				38
02N01402	728-786	Btkb1	S		8.3	8.6				29
02N01403	786-856	Btkb2	S		8.3	8.6				26
02N01404	856-911	Btkb3	S		8.5	8.6				26
02N01405	911-1011	Btb	S		8.4	8.6				16
02N01406	1011-1096	B''kb	S		8.4	8.6				21
02N01407	1096-1162	2Btkb1	S		8.3	8.6				42
02N01408	1162-1248	2Btkb2	S		8.3	8.6				34
02N01409	1248-1314	2Btb1	S		8.4	8.6				34
02N01410	1314-1354	2Btb2	S		8.4	8.6				24
02N01411	1354-1450	2Btb3	S		8.4	8.5				21
02N01412	1450-1476	3Btb	S		8.4	8.4				33
02N01413	1476-1503	3Btkb1	S		8.3	8.9				67
02N01414	1503-1560	3Btkb2	S		8.3	8.7				66
02N01415	1560-1600	3Btbb3	S		8.3	8.9				73
02N01416	1600-1643	4Bssb	S		8.1	8.3				3
02N01417	1643-1690	4Bkssb	S		8.3	8.7				21
02N01418	1690-1770	4Cr1	S		8.1	8.4				1
02N01419	1770-1840	4Cr2	S		8.0	8.3				tr

*** Primary Characterization Data ***

Pedon ID: S02TX-317-002

( Martin, Texas )

Print Date: Dec 7 2025 4:34AM

Sampled As	:	Amarillo		Fine-loamy, mixed, superactive, thermic Aridic Paleustalf
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  02N0281

---

Clay Mineralogy (<.002 mm)

-1-

-2-

-3-

-4-

-5-

-6-

-7-

-8-

-9-

-10-

-11-

-12-

-13-

-14-

-15-

-16-

-17-

-18-

X-Ray

Thermal

Elemental

EGME

Inter

SiO2

Al2O3

Fe2O3

MgO

CaO

K2O

Na2O

Retn

preta

Depth

Fract

7A1a1

tion

Layer

(cm)

Horz

ion

( - - - - - - - - - peak size - - - - - - - - - - )

(- - - - - - - - - % - - - - - - - - - -)

(- - - - - - - - - - - - - - - - - - - - - % - - - - - - - - - - - - - - - - - - - - -)

mg g-1

02N01391

170.0-235.0

Bkb1

tcly

CA 3

MT 2

MI 2

KK 1

QZ 1

CMIX

02N01392

235.0-297.0

Bkb1

tcly

CA 3

MT 2

MI 2

KK 1

QZ 1

CMIX

02N01399

560.0-590.0

Bkb7

tcly

MT 3

MI 2

CA 2

KK 1

QZ 1

SMEC

02N01409

1248.0-1314.0

2Btb1

tcly

MI 3

CA 3

KK 2

LE 1

MM 1

CMIX

QZ 1

02N01410

1314.0-1354.0

2Btb2

tcly

MI 3

CA 2

KK 2

LE 1

QZ 1

CMIX

02N01413

1476.0-1503.0

3Btkb1

tcly

MI 3

CA 2

MT 1

LE 1

KK 1

CMIX

QZ 1

02N01414

1503.0-1560.0

3Btkb2

tcly

MI 3

MT 2

CA 2

LE 1

KK 1

CMIX

QZ 1

02N01416

1600.0-1643.0

4Bssb

tcly

MM 3

MI 2

KK 1

QZ 1

CMIX

02N01417

1643.0-1690.0

4Bkssb

tcly

MT 3

MI 2

KK 2

QZ 1

SMEC

02N01418

1690.0-1770.0

4Cr1

tcly

MT 3

MI 2

KK 1

QZ 1

SMEC

02N01419

1770.0-1840.0

4Cr2

tcly

MT 3

MI 2

KK 1

QZ 1

SMEC

FRACTION INTERPRETATION:
tcly - Total Clay <0.002 mm

MINERAL INTERPRETATION:
CA Calcite	KK Kaolinite	LE Lepidocrocite	MI Mica	MM Montmorillonite-Mica
MT Montmorillonite	QZ Quartz

RELATIVE PEAK SIZE:

5 Very Large

4 Large

3 Medium

2 Small

1 Very Small

6 No Peaks

*** Primary Characterization Data ***

Pedon ID: S02TX-317-002

( Martin, Texas )

Print Date: Dec 7 2025 4:34AM

Sampled As	:	Amarillo		Fine-loamy, mixed, superactive, thermic Aridic Paleustalf
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  02N0281

---

INTERPRETATION (BY HORIZON):
CMIX - Mixed Clay	SMEC - Smectitic

*** Primary Characterization Data ***

Pedon ID: S02TX-317-002

( Martin, Texas )

Print Date: Dec 7 2025 4:34AM

Sampled As	:	Amarillo		Fine-loamy, mixed, superactive, thermic Aridic Paleustalf
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  02N0281

---

Sand - Silt Mineralogy (2.0-0.002 mm)

-1-

-2-

-3-

-4-

-5-

-6-

-7-

-8-

-9-

-10-

-11-

-12-

-13-

-14-

-15-

-16-

-17-

-18-

X-Ray

Thermal

Optical

EGME

Inter

Tot Re

Grain Count

Retn

preta

Depth

Fract

7B1a2

tion

Layer

(cm)

Horz

ion

( - - - - - - - - peak size - - - - - - - - - )

(- - - - - - - - % - - - - - - - - - -)

(- - - - - - - - - - - - - - - - - - - - % - - - - - - - - - - - - - - - - - -)

mg g-1

02N01394

330.0-355.0

B'kb2

fs

88

QZ 83

CB 11

CD 5

GS tr

FK tr

CA tr

SMIX

02N01400

590.0-658.0

Bkb8

fs

76

QZ 72

CB 23

CD 4

FK 1

CA tr

GS tr

SMIX

OP tr

02N01413

1476.0-1503.0

3Btkb1

fs

57

QZ 50

CB 28

CA 14

CD 6

FE 1

FK 1

SMIX

TM tr

02N01417

1643.0-1690.0

4Bkssb

fs

76

QZ 66

CA 11

CB 8

CD 8

FE 2

FK 2

SMIX

PR 1

MS 1

HN tr

TM tr

BT tr

FRACTION INTERPRETATION:
fs - Fine Sand 0.1-0.25 mm

MINERAL INTERPRETATION:
BT Biotite	CA Calcite	CB Carbonate Aggregates	CD Chert (Chalcedony	FE Iron Oxides (Goethite
FK Potassium Feldspar	GS Glass	HN Hornblende	MS Muscovite	OP Opaques
PR Pyroxene	QZ Quartz	TM Tourmaline

INTERPRETATION (BY HORIZON):
SMIX - Mixed Sand